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Finding the Fourth Proportional to 43,663.64, 65,502.72 and 17,368.64

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Solution

The fourth proportional to 43,663.64, 65,502.72 and 17,368.64 is: 26,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,663.64 : 65,502.72 = 17,368.64 : x
  2. Step 2: Convert to fraction form
    43,663.64/65,502.72 = 17,368.64/x
  3. Step 3: Cross multiply
    43,663.64x = 65,502.72 × 17,368.64
  4. Step 4: Simplify right side
    43,663.64x = 1,137,693,162.70
  5. Step 5: Solve for x
    x = 1,137,693,162.70/43,663.64
  6. Step 6: Final answer
    x = 26,055.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.